nber series on long-term factors in economic development Heroes & cowards : the social face of war / Dora L. Costa & Matthew E. Kahn Medico-surgical aspects of the Spanish American War / N. Senn Volk in beweging : onbegrepen Amerika / P. J. Bouman Hard pounding ... : the tactics and technique of antitank warfare with observations on its past, present and future / G.D.W. Court ; forew. by … voice of america forum lectures Communication professional soldier : a social and political portrait / Morris Janowitz publications / russell sage foundation Sociology and the military establishment / by Morris Janowitz Man's means to his end / Robert Watson-Watt continenten - landen - volkeren. boeken van sociografische strekking geschreven door vooraanstaande wetenschappelijke auteurs Contact met Amerika / door Alva Myrdal en Gunnar Myrdal ; [uit het Zweeds] vert. door D. Epinardus ; herz. onder medew. van Walter A. … Whitehead's American essays in social philosophy / ed. with an introd. by A.H. Johnson economische en sociale ontwikkelingsgang van de Vereenigde Staten van 1940 tot 1945 Ideas and images : developing interpretive history exhibits / Kenneth L. Ames, Barbara Franco, L. Thomas Frye, editors